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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>书店公告栏</title>
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    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f8f8f8;
        }
        .notice-board {
            width: 60%;
            margin: 50px auto;
            background-color: #ffffff;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        .notice-header {
            background-color: #547ad4;
            color: #ffffff;
            padding: 20px;
            text-align: center;
        }
        .notice-title {
            font-size: 32px;
            font-weight: bold;
            margin: 0;
        }
        .notice-content {
            padding: 20px;
            line-height: 1.6;
            color: #333333;
        }
        .btn-back {
            display: block;
            width: 120px;
            margin: 20px auto;
        }
    </style>
</head>
<body>
<div class="container">
    <div class="notice-board">
        <div class="notice-header">
            <h2 class="notice-title">重要通知</h2>
        </div>
        <div class="notice-content">
            <p>尊敬的顾客，由于最近的供应链问题，部分图书可能会延迟到货。</p>
            <p>我们正在努力解决这个问题，感谢您的理解和支持。</p>
        </div>
    </div>
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